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PCN21B-110PB-2PF Equivalent & Substitute Parts
Part Overview
The PCN21B-110PB-2PF is a 110-position backplane connector header manufactured by Hirose Electric Co Ltd, featuring male pins with 2.00mm pitch and press-fit termination for through-hole mounting. This connector is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | PCN21B-110PB-2PF |
| Manufacturer | Hirose Electric Co Ltd |
| Category | Backplane Connectors |
| Number of Positions | 110 |
| Pitch | 0.079" (2.00mm) |
| Number of Rows | 5 |
| Connector Type | Header, Male Pins |
| Mounting Type | Through Hole |
| Termination | Press-Fit |
| Contact Finish | Gold |
| Current Rating | 1.5 A |
| Voltage Rating | 300V |
| Operating Temperature | -55°C ~ 125°C |
| Product Status | Obsolete |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the PCN21B-110PB-2PF is determined by the following critical parameters:
- Position Count & Pitch: 110 positions at 0.079" (2.00mm) pitch
- Connector Configuration: 5-row male pin header with press-fit termination
- Mounting Method: Through-hole mounting
- Electrical Ratings: Current capacity and voltage withstand capability
- Operating Temperature Range: -55°C to 125°C
- Contact Finish: Gold plating for corrosion resistance
Substitute parts are grouped into two categories:
Category A: Direct Header Replacements (110-Position, 5-Row) These parts maintain identical position count, pitch, row configuration, and press-fit termination. They are suitable for direct mechanical and electrical substitution in applications requiring the base 110-position connector.
Category B: Extended Configuration Headers (154-Position, 5+2 Row) These parts provide 110 signal positions plus 44 additional ground positions across 5+2 rows. They maintain the 2.00mm pitch and press-fit termination but offer enhanced grounding capability. Substitution requires verification that the PCB layout accommodates the additional row.
Category C: Shroud Components (110-Position Shrouds) These are protective shroud assemblies for 110-position hard metric connectors. They are complementary components, not direct header replacements, and require pairing with appropriate male pin headers.
Parameter Comparison
| Parameter | PCN21B-110PB-2PF | 17011101201 | 17011102204 | HM2P07PA5110AALF | HM2P07PD5110N9LF |
|---|---|---|---|---|---|
| Manufacturer | Hirose Electric | HARTING | HARTING | Amphenol ICC (FCI) | Amphenol ICC (FCI) |
| Number of Positions | 110 | 110 | 110 | 110 | 110 |
| Pitch | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) | 0.079" (2.00mm) |
| Number of Rows | 5 | 5 | 5 | 5 | 5 |
| Connector Type | Header, Male Pins | Header, Male Pins | Header, Male Pins | Header, Male Pins | Header, Male Pins |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Termination | Press-Fit | Press-Fit | Press-Fit | Press-Fit | Press-Fit |
| Contact Finish | Gold | Gold or Gold-Palladium | Gold or Gold-Palladium | Gold | Gold |
| Current Rating | 1.5 A | 1 A | 1 A | 1.5 A | 1.5 A |
| Voltage Rating | 300V | — | — | 750Vrms | 750Vrms |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C |
| Product Status | Obsolete | Active | Active | Active | Active |
| RoHS Status | — | ROHS3 Compliant | ROHS3 Compliant | RoHS Compliant | RoHS Compliant |
Engineering Selection Recommendations
For Direct Replacement (110-Position, 5-Row Configuration)
HM2P07PA5110AALF and HM2P07PD5110N9LF from Amphenol ICC (FCI) are the primary candidates for direct substitution. Both maintain identical position count, pitch, row configuration, and press-fit termination. Key advantages include active product status, RoHS compliance, and higher voltage rating (750Vrms vs. 300V). Current rating matches the original specification at 1.5 A. Both include board guide features for improved mechanical stability.
HARTING 17011101201 and 17011102204 provide alternative sourcing from an active manufacturer with ROHS3 compliance. Note that current rating is specified at 1 A, which is lower than the original 1.5 A specification. The 17011102204 variant includes a board guide feature. Voltage rating is not specified for these parts.
For Extended Grounding Applications (154-Position Configuration)
HM2P07PA5111AALF and HM2P07PCJ3P1N9LF provide 110 signal positions plus 44 ground positions across 5+2 rows. These are suitable only when PCB layout accommodates the additional row and enhanced grounding is required. Both maintain 1.5 A current rating and 750Vrms voltage rating with RoHS compliance and active product status.
Compliance Considerations
All recommended active substitutes are RoHS compliant, addressing regulatory requirements for new designs. The original PCN21B-110PB-2PF is obsolete; substitution is necessary for ongoing procurement and new implementations.
Frequently Asked Questions (FAQ)
Q: Can HM2P07PA5110AALF directly replace PCN21B-110PB-2PF without PCB modification?
A: Yes. Both connectors maintain 110 positions, 2.00mm pitch, 5-row configuration, and press-fit through-hole termination. Mechanical and electrical compatibility is established. The board guide feature on HM2P07PA5110AALF provides additional mechanical stability without requiring PCB changes.
Q: What is the difference between HM2P07PA5110AALF and HM2P07PD5110N9LF?
A: Both are 110-position, 5-row headers with identical electrical ratings and press-fit termination. The primary difference is contact finish thickness: HM2P07PA5110AALF specifies 30.0µin (0.76µm), while HM2P07PD5110N9LF specifies flash thickness. Both are suitable for the same applications.
Q: Why do HARTING parts show 1 A current rating instead of 1.5 A?
A: The HARTING 17011101201 and 17011102204 are specified at 1 A current rating. Applications requiring 1.5 A continuous current should use Amphenol ICC (FCI) alternatives (HM2P07PA5110AALF or HM2P07PD5110N9LF) to maintain the original electrical specification.
Q: Can HM2P07PA5111AALF be used as a substitute?
A: HM2P07PA5111AALF provides 154 positions (110 + 44 ground) across 5+2 rows. Substitution requires PCB layout verification to accommodate the additional row. This variant is suitable only when enhanced grounding capability is required and the PCB footprint supports the extended configuration.
Q: What is the purpose of the shroud components (HM2H07P115LF, HM2H07P119LF, HM2H07P122LF, HM2H07P130LF)?
A: These are protective shroud assemblies for 110-position hard metric connectors. They are not direct header replacements but complementary components that pair with male pin headers. Shrouds provide mechanical protection and keying features. Selection depends on specific application requirements and connector style compatibility.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed (HARTING and Amphenol ICC variants) are RoHS compliant. The original PCN21B-110PB-2PF does not specify RoHS status. For new designs subject to RoHS requirements, active substitutes ensure regulatory compliance.
Q: What is the packaging difference between substitute parts?
A: HARTING parts are supplied in tubes. Amphenol ICC (FCI) parts are supplied in trays. Packaging does not affect electrical or mechanical compatibility; selection depends on procurement and assembly process requirements.
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